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The human body cannot produce vitamin C, an essential nutrient.

The human body cannot produce vitamin C, an essential nutrient. To ensure adequate levels of vitamin C it must be consumed daily.

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A dolphin's flipper is made up of five distinct bone structures, similar to that of a human hand.

The human sneeze can travel faster than 100 miles per hour (160 km/h). It is not recommended to hold back a sneeze, as the extreme pressure may cause ear damage.

Research has shown that frequently cracking your knuckles increases your chance of hand swelling and lowered grip strength.

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If you took the DNA strands out of all the cells in your body and stretched them out in a single line, they would circle the earth five million times.

Doctors estimate that we have 50,000 to 70,000 thoughts per day.

Doctors estimate that we have 50,000 to 70,000 thoughts per day.

If the hair on your body was longer and thicker like animal fur, having goosebumps would fluff up your fur coat and make your hairs stand up. It would also provide more insulation to keep you warmer.

Contrary to popular belief, we have more than five senses. We are able to feel heat from a distance, sense where our body parts are and maintain equilibrium when standing, we can sense when we are itchy, tense, and hungry.

The human brain receives 400 million bits (47 Megabytes) of information every second. Of those, we are only consciously aware of 2000 bits (0.0002 megabytes).

The smallest bone in the human body is found in the middle ear. It is called the staples bone, and it measures 2.8 millimeters long.

Your nose contributes to taste more than your tongue. Around 80% of taste is actually coming from your smell receptors. Hold your nose when you eat something and you'll see it's 'taste' will not be as strong.

Rice and corn are the top most eaten foods in the world.

Rice and corn are the top most eaten foods in the world. About 3 billion people eat rice each day.

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Canned food was invented in 1810 in order to supply Napoleon's army. The modern version of the can opener was invented 60 years later.

Wheat is the most traded crop in the world. It's grown on more than 500 million acres (2 million square km) of land.

French people eat 2 million eclairs every single day. It was invented in France where it was originally called "Pains à la duchesse."

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